Antonia Wirth has been serving as an International Vice President of the FIABCI Exchange Committee since 2008. She was director at The Organizing Committee of FIABCI European Congress held in Sofia 2006. She has been re-elected for four years (2005-2009) in a Local Board of Directors – FIABCI, Bulgaria. Antonia was elected as President FIABCI Bulgaria in 2010. 
Member of the Ethic Commission of NRPA (National Real Estate Organization) 2003-2005.
Antonia Wirth has been awarded by the NRPA - Distinguished Service Award recognizing the contributions, leadership and commitment to the organization and the real estate market in Bulgaria over the prior 16 years.
She places great emphasis on education and networking.